Inventor · disambiguated record
Yukio Tokiwa
Also filed as: TOKIWA YUKIO
3 granted patents·60 citations·filing 1989–1992
73Inventor score
Top patents by PatentIndex Score
3 records- 0157US5349522AMethod and apparatus for controlling the output voltage of an AC electrical systemHITACHI LTD·Filed 1992·Granted Sep 20, 1994·26 cites·10 claims
- 0248US5179510APower converting apparatus capable of suppressing a fault currentTOKYO ELECTRIC POWER CO·Filed 1991·Granted Jan 12, 1993·16 cites·12 claims
- 0344US5010467AControl apparatus of DC power coupling systemTOKYO ELECTRIC POWER CO·Filed 1989·Granted Apr 23, 1991·18 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →